Choking on an object can result in unco...

Brief unconsciousness (or fainting) is often a result from dehydration, low blood sugar, or temporary low blood pressure. It can also be caused by serious heart or nervous system problems. A doctor will determine if the affected person needs tests.

Fainting

Fainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and y...

CPR

If the person is breathing and lying on their back, and you do not think there is a spinal injury, carefully roll the person toward you onto their side. Bend the top leg so both hip and knee are at right angles. Gently tilt their head back to keep the airway open. If breathing or pulse stops at any time, roll the person onto their back and begin CPR.

Spinal injury

The spinal cord contains the nerves that carry messages between your brain and the rest of the body. The cord passes through your neck and back. A ...

If you think there is a spinal injury, leave the person where you found them (as long as breathing continues). If the person vomits, roll the entire body at one time to their side. Support their neck and back to keep the head and body in the same position while you roll.

Keep the person warm until medical help arrives.

If you see a person fainting, try to prevent a fall. Lay the person flat on the floor and raise their feet about 12 inches (30 centimeters).

If fainting is likely due to low blood sugar, give the person something sweet to eat or drink when they become conscious.